Window



(No maal.) P. D. LA FAYETTE, Sr.

WINDOW.

Patented Nov. 15, 1887.3

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UNITED STATES PATENT OFFICE.

PETER D. LA FAYETTE,'SR., OF COLLINSVILLE, ASSIGNOR OF ONE-HALF TO PETER D. LA FAYETTE, JR., OF MIDDLETOWN, CONNECTICUT.

VWINDOW.

SPECIFICATION forming part of Letters Patent No. 373.238, dated N ovember 15, 1887.

Application filed March 23, 1887. Serial No. 232,061. (No model.)

To all whom t may concern: v

Be it knownthat I, PETEEVD. LA FAYETTE, Sr., of Collinsville, in the county of Hartford and State of Connecticut, have invented a certain new and useful Improvement pertaining to Windows, of which the following is a description, reference being had to the accompanying figures of drawings, wherein- Figure 1 is a front view of a window-casing Io and the upper and lower window-sashes ernbodying my improvement. Fig. 2 is a view of the meeting-rails of the two sashes in crosssection on plane w w. Fig. 3 is a detail view showing the outer side of the upper rail of I5 the lower sash. Fig. 4 is a view in cross section on plane g/ y. Fig. 5 is a view in crosssection on plane z z. Fig. 6 is a view in section of the meeting-rails of the two sashes, showing the depth of the recess in which the zo blade is hidden.

My invention relates to the class of windows in which the sashes slide vertically past each other in raising and lowering; and the object of my improvementvis to provide a device z5 that is cheap, simple, andefficient for fastening the sashes closed, and at -the saine time prevent the entrance of dust and air between the meeting-rails of 4the sashes.

My improvement consists in a vertically-- 5o moving sash having a socket in which is seated a blade that is provided with handles for pushing out the blade or drawing it into the socket. the Shanks of the handles being so attached Vto the blade as to form runners upon which 5 the blade slides and by which it is guided, in combination with a verticallymoving sash having a socket to receive the blade when it is projected from the lower sash, as more particularly hereinafter described, and pointed 4o out in the claim.

In the accompanying drawings the letters a b c d denote the Window-casing as a whole.

The letters ef g h denote the upper sash as a whole.

The letters i j lc Z denote the lower sash as a whole. The upper rail, t', of the lower sash carries in it a metallic blade, m, which can be moved back and forth transversely of the sash by means of the handles a, The Shanks of the 5o handles are rounded on the lower side, (see Fig. 2,) and are rigidly attached to the blade in such a manner that the rounded surface projects below the blade into a transverse socket cut for it. By this construction runners are provided which slide in ways and n guide the blade when moved in or out. This of course reduces the friction and prevents the blade from becoming jammed in the recess. This blade extends entirely across the Windowopening, and it can be made to lie wholly 6o within thesash-rail i or made to project therefrom and enter into the groove o in the lower rail, g, of the upper sash. When this blade m is entirely within the rail t', it does not interfere with the up and down movement of either sash; but when it is made to project intothe groove ov it not only prevents either sash from being moved, but it acts as a dust and air excluder.

Both sashes have a groove, p, in the sides 7o and ends, and the sides and ends of the interior of the window-casing are provided with corresponding projecting rails, r. The side rails serve as ways on which the sashes move, andthe rails at both the sidesvand ends act as dust and air eXclnders.

I am aware'- that window-sashes have been provided withblades or strips of metal or other 'material which serve as fasteners' and weather-strips, such being shown in United 8o States patents to G. M. Evans, No. 219,809, and D. Coulon, No. 85,729, and these I do not broadly claim.

I claim as my improvement'- The combination of the vertically-moving sashes, having longitudinal recesses in their meeting-rails, and the transversely-moving blade hidden in the recess in the lower sash, the said blade having handles rigidly attached thereto, the Shanks of which handles project 9o below the blade into transverse grooves in the sash, which forni ways to support and guide the device in its movement, substantially as described.

11i I PETER D. s LA EAYETTE, sR.

mark. 

